The fire wood outside my door is ready for burning to warm the home. The wood has a rough texture and some growth from lichen. Lichen are a good sign that your area does not have major pollutions problems.  Because they are highly sensitive to air pollution, lichen abundance and species diversity have been used to estimate air quality around cities and other sources of air pollution.  It you look at the center of the wood you will see rot. We find most of the older trees here have some sort of rotten in the middle. Kansas is a very difficult place for trees which is why naturally it had parire grass with trees growing along the streams and rivers.

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